Using the Natural Language API from Google Docs Reviews

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Deep V. · Reviewed 4 months ago

/** * @OnlyCurrentDoc * * The above comment directs Apps Script to limit the scope of file * access for this add-on. It specifies that this add-on will only * attempt to read or modify the files in which the add-on is used, * and not all of the user's files. The authorization request message * presented to users will reflect this limited scope. */ /** * Creates a menu entry in the Google Docs UI when the document is * opened. * */ function onOpen() { var ui = DocumentApp.getUi(); ui.createMenu('Natural Language Tools') .addItem('Mark Sentiment', 'markSentiment') .addToUi(); } /** * Gets the user-selected text and highlights it based on sentiment * with green for positive sentiment, red for negative, and yellow * for neutral. * */ function markSentiment() { var POSITIVE_COLOR = '#00ff00'; // Colors for sentiments var NEGATIVE_COLOR = '#ff0000'; var NEUTRAL_COLOR = '#ffff00'; var NEGATIVE_CUTOFF = -0.2; // Thresholds for sentiments var POSITIVE_CUTOFF = 0.2; var selection = DocumentApp.getActiveDocument().getSelection(); if (selection) { var string = getSelectedText(); var sentiment = retrieveSentiment(string); // Select the appropriate color var color = NEUTRAL_COLOR; if (sentiment <= NEGATIVE_CUTOFF) { color = NEGATIVE_COLOR; } if (sentiment >= POSITIVE_CUTOFF) { color = POSITIVE_COLOR; } // Highlight the text var elements = selection.getSelectedElements(); for (var i = 0; i < elements.length; i++) { if (elements[i].isPartial()) { var element = elements[i].getElement().editAsText(); var startIndex = elements[i].getStartOffset(); var endIndex = elements[i].getEndOffsetInclusive(); element.setBackgroundColor(startIndex, endIndex, color); } else { var element = elements[i].getElement().editAsText(); foundText = elements[i].getElement().editAsText(); foundText.setBackgroundColor(color); } } } } /** * Returns a string with the contents of the selected text. * If no text is selected, returns an empty string. */ function getSelectedText() { var selection = DocumentApp.getActiveDocument().getSelection(); var string = ""; if (selection) { var elements = selection.getSelectedElements(); for (var i = 0; i < elements.length; i++) { if (elements[i].isPartial()) { var element = elements[i].getElement().asText(); var startIndex = elements[i].getStartOffset(); var endIndex = elements[i].getEndOffsetInclusive() + 1; var text = element.getText().substring(startIndex, endIndex); string = string + text; } else { var element = elements[i].getElement(); // Only translate elements that can be edited as text; skip // images and other non-text elements. if (element.editAsText) { string = string + element.asText().getText(); } } } } return string; } /** Given a string, will call the Natural Language API and retrieve * the sentiment of the string. The sentiment will be a real * number in the range -1 to 1, where -1 is highly negative * sentiment and 1 is highly positive. */ function retrieveSentiment (line) { // TODO: Call the Natural Language API with the line given // and return the sentiment value. return 0.0; } /** * @OnlyCurrentDoc * * The above comment directs Apps Script to limit the scope of file * access for this add-on. It specifies that this add-on will only * attempt to read or modify the files in which the add-on is used, * and not all of the user's files. The authorization request message * presented to users will reflect this limited scope. */ /** * Creates a menu entry in the Google Docs UI when the document is * opened. * */ function onOpen() { var ui = DocumentApp.getUi(); ui.createMenu('Natural Language Tools') .addItem('Mark Sentiment', 'markSentiment') .addToUi(); } /** * Gets the user-selected text and highlights it based on sentiment * with green for positive sentiment, red for negative, and yellow * for neutral. * */ function markSentiment() { var POSITIVE_COLOR = '#00ff00'; // Colors for sentiments var NEGATIVE_COLOR = '#ff0000'; var NEUTRAL_COLOR = '#ffff00'; var NEGATIVE_CUTOFF = -0.2; // Thresholds for sentiments var POSITIVE_CUTOFF = 0.2; var selection = DocumentApp.getActiveDocument().getSelection(); if (selection) { var string = getSelectedText(); var sentiment = retrieveSentiment(string); // Select the appropriate color var color = NEUTRAL_COLOR; if (sentiment <= NEGATIVE_CUTOFF) { color = NEGATIVE_COLOR; } if (sentiment >= POSITIVE_CUTOFF) { color = POSITIVE_COLOR; } // Highlight the text var elements = selection.getSelectedElements(); for (var i = 0; i < elements.length; i++) { if (elements[i].isPartial()) { var element = elements[i].getElement().editAsText(); var startIndex = elements[i].getStartOffset(); var endIndex = elements[i].getEndOffsetInclusive(); element.setBackgroundColor(startIndex, endIndex, color); } else { var element = elements[i].getElement().editAsText(); foundText = elements[i].getElement().editAsText(); foundText.setBackgroundColor(color); } } } } /** * Returns a string with the contents of the selected text. * If no text is selected, returns an empty string. */ function getSelectedText() { var selection = DocumentApp.getActiveDocument().getSelection(); var string = ""; if (selection) { var elements = selection.getSelectedElements(); for (var i = 0; i < elements.length; i++) { if (elements[i].isPartial()) { var element = elements[i].getElement().asText(); var startIndex = elements[i].getStartOffset(); var endIndex = elements[i].getEndOffsetInclusive() + 1; var text = element.getText().substring(startIndex, endIndex); string = string + text; } else { var element = elements[i].getElement(); // Only translate elements that can be edited as text; skip // images and other non-text elements. if (element.editAsText) { string = string + element.asText().getText(); } } } } return string; } /** Given a string, will call the Natural Language API and retrieve * the sentiment of the string. The sentiment will be a real * number in the range -1 to 1, where -1 is highly negative * sentiment and 1 is highly positive. */ function retrieveSentiment (line) { // TODO: Call the Natural Language API with the line given // and return the sentiment value. return 0.0; } v

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